Home / 26,795,562.72-36,986,202.56-21,298,691.28

Finding the Fourth Proportional to 26,795,562.72, 36,986,202.56 and 21,298,691.28

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Solution

The fourth proportional to 26,795,562.72, 36,986,202.56 and 21,298,691.28 is: 29,398,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,795,562.72 : 36,986,202.56 = 21,298,691.28 : x
  2. Step 2: Convert to fraction form
    26,795,562.72/36,986,202.56 = 21,298,691.28/x
  3. Step 3: Cross multiply
    26,795,562.72x = 36,986,202.56 × 21,298,691.28
  4. Step 4: Simplify right side
    26,795,562.72x = 787,757,709,944,985.75
  5. Step 5: Solve for x
    x = 787,757,709,944,985.75/26,795,562.72
  6. Step 6: Final answer
    x = 29,398,811.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.